VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/AJ/123/567
  SDSS quasar catalog, I: Early Data Release (Schneider+, 2002) This catalogue is obsoleted by J/AJ/126/2579
Post annotation
img(gal)
1.J/AJ/123/567/table3The SDSS Quasar Catalog I (3814 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  f5 (char) [*] Discrepant redshift (see table5) (meta.code)
  SDSS (char) (i) Object name, hhmmss.ss+ddmmss.s (Note 1)   (meta.id;meta.main)
  RArad "h:m:s" (i) Right Ascension (J2000) (in 10–7 radians) (pos.eq.ra;meta.main)
  DErad "d:m:s" (i) Declination (J2000) (in 10–7 radians) (pos.eq.dec;meta.main)
  z  Redshift (src.redshift)
  r_SDSS  Source of object (Note 2)   (meta.ref;pos.frame)
  u*mag mag The u* band magnitude (Note 7)   (phot.mag;em.opt.U)
  e_u*mag mag The error in u*mag (stat.error;phot.mag;em.opt.U)
  g*mag mag The g* band magnitude (Note 7)   (phot.mag;em.opt.B)
  e_g*mag mag The error in g*mag (stat.error;phot.mag)

ALL cols
    
 (i)indexed column
  r*mag mag The r* band magnitude (Note 7)   (phot.mag;em.opt.R)
  e_r*mag mag The error in r*mag (stat.error;phot.mag)
  i*mag mag The i* band magnitude (Note 7)   (phot.mag;em.opt.I)
  e_i*mag mag The error in i*mag (stat.error;phot.mag)
  z*mag mag The z* band magnitude (Note 7)   (phot.mag;em.opt.I)
  e_z*mag mag The error in z*mag (stat.error;phot.mag)
  uAbs mag Galactic absorption in u band (phys.absorption.gal)
  PFlux mJy (n) FIRST peak flux density at 20cm (1.4GHz) (phot.flux.density;em.radio.750-1500MHz)
  logCR [ct/s] (n) Log of ROSAT full band count rate (phot.count;em.X-ray)
  i*Mag mag Absolute i* band magnitude (Note 3)   (phys.magAbs)
  Morph   [0,1] Morphologically extended flag (Note 4)   (meta.code)
  QFlag   [0,1] Quasar target flag (Note 6)   (meta.code)
  FFlag   [0,1] FIRST target flag (Note 6)   (meta.code)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  RFlag   [0,1] ROSAT target flag (Note 6)   (meta.code)
  SFlag   [0,1] Serendipity target flag (Note 6)   (meta.code)
  StFlag   [0,1] Star target flag (Note 6)   (meta.code)
  GFlag   [0,1] Galaxy target flag (Note 6)   (meta.code)
  SNum  SDSS Imaging Run Number for photometric measurements (obs.image)
  ObsDate Y:M:D Modified Julian Date (MJD=JD-2400000.5) of spectroscopic observation (time.epoch;obs)
  Plate  Spectroscopic Plate Number (obs.field)
  Fiber  Spectroscopic Fiber Number (meta.id)
  OName (char) Object Name if not discovered by SDSS (meta.id)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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